2020年军队职称英语-卫生类B级词汇指导重难点词组(8)

New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
A.is used; not to pollute
B.has used; is not polluted
C.is being used; do not pollute
D.has been used; to pollute
 

This kind of glasses made by experienced workers ________ comfortably．
A.is worn
B.wears
C.are worn
D.have worn

 

We ________ our students since we came to this school．
A.have been getting on well with
B.have been getting along with
C.have been getting well
D.have been getting along
 

Look!The water ________ into vapor．
A.is turned
B.being turned
C.is being turned
D.is being turning
 

In the terrible dream he found himself on the surface of a strange animal but it ______ to be his own pillow.
A.turned out
B.turned over
C.turned down
D.turned off
 

Fish soon ________ bad in hot weather．
A.gets
B.grows
C.becomes
D.goes

 

We ________ a bridge over a river in my home-town last month．
A.were building
B.build
C.would build
D.are building

 

He ________ here for three years, by next summer he will have graduated．
A.studies
B.is studying
C.has been studying
D.will study
 

The wounded boy ________ by the doctor now．
A.is treating
B.is being treated
C.are treated
D.has been treated
 

The chairman’s speech ______ the radio when I turned it on.
A.was broadcast on
B.was being broadcast on
C.was broadcasting in
D.broadcast over